mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-23 17:53:37 +08:00
64 lines
1.8 KiB
C
64 lines
1.8 KiB
C
/* Copyright (C) 1995-2020 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef _SYS_SHM_H
|
|
#define _SYS_SHM_H 1
|
|
|
|
#include <features.h>
|
|
|
|
#define __need_size_t
|
|
#include <stddef.h>
|
|
|
|
/* Get common definition of System V style IPC. */
|
|
#include <sys/ipc.h>
|
|
|
|
/* Get system dependent definition of `struct shmid_ds' and more. */
|
|
#include <bits/shm.h>
|
|
|
|
/* Define types required by the standard. */
|
|
#include <bits/types/time_t.h>
|
|
|
|
#ifdef __USE_XOPEN
|
|
# ifndef __pid_t_defined
|
|
typedef __pid_t pid_t;
|
|
# define __pid_t_defined
|
|
# endif
|
|
#endif /* X/Open */
|
|
|
|
|
|
__BEGIN_DECLS
|
|
|
|
/* The following System V style IPC functions implement a shared memory
|
|
facility. The definition is found in XPG4.2. */
|
|
|
|
/* Shared memory control operation. */
|
|
extern int shmctl (int __shmid, int __cmd, struct shmid_ds *__buf) __THROW;
|
|
|
|
/* Get shared memory segment. */
|
|
extern int shmget (key_t __key, size_t __size, int __shmflg) __THROW;
|
|
|
|
/* Attach shared memory segment. */
|
|
extern void *shmat (int __shmid, const void *__shmaddr, int __shmflg)
|
|
__THROW;
|
|
|
|
/* Detach shared memory segment. */
|
|
extern int shmdt (const void *__shmaddr) __THROW;
|
|
|
|
__END_DECLS
|
|
|
|
#endif /* sys/shm.h */
|